netdev - Re: [PATCH v8 iwl-next 02/10] virtchnl: add PTP virtchnl definitions

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <CAHS8izMXC-ZigZG+R1jrd4i=ZDe_cgUjgBhZa6px2JUryGTN8g@mail.gmail.com>
Date: Fri, 28 Feb 2025 09:53:58 -0800
From: Mina Almasry <almasrymina@...gle.com>
To: Milena Olech <milena.olech@...el.com>
Cc: intel-wired-lan@...ts.osuosl.org, netdev@...r.kernel.org, 
	anthony.l.nguyen@...el.com, przemyslaw.kitszel@...el.com, 
	Alexander Lobakin <aleksander.lobakin@...el.com>, Willem de Bruijn <willemb@...gle.com>
Subject: Re: [PATCH v8 iwl-next 02/10] virtchnl: add PTP virtchnl definitions

On Thu, Feb 27, 2025 at 5:16 AM Milena Olech <milena.olech@...el.com> wrote:
>
> PTP capabilities are negotiated using virtchnl commands. There are two
> available modes of the PTP support: direct and mailbox. When the direct
> access to PTP resources is negotiated, virtchnl messages returns a set
> of registers that allow read/write directly. When the mailbox access to
> PTP resources is negotiated, virtchnl messages are used to access
> PTP clock and to read the timestamp values.
>
> Virtchnl API covers both modes and exposes a set of PTP capabilities.
>
> Using virtchnl API, the driver recognizes also HW abilities - maximum
> adjustment of the clock and the basic increment value.
>
> Additionally, API allows to configure the secondary mailbox, dedicated
> exclusively for PTP purposes.
>
> Reviewed-by: Alexander Lobakin <aleksander.lobakin@...el.com>
> Reviewed-by: Willem de Bruijn <willemb@...gle.com>
> Signed-off-by: Milena Olech <milena.olech@...el.com>

Tested-by: Mina Almasry <almasrymina@...gle.com>

-- 
Thanks,
Mina